Source: Tiger Woods' Mistress Dated George Clooney

Jaimee Grubbs -- the 24-year-old Los Angeles cocktail waitress who claims she had a 31-month affair with embattled golfer Tiger Woods -- has been romantically linked to another famous figure: George Clooney.

Asked whether she dated the 48-year-old actor, she tells the new Us Weekly (on newsstands now): "I know him."